From d7bd4eb003f5b6a13943418ae0ac53248a2e34d2 Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Mon, 11 Feb 2013 11:11:36 -0800 Subject: Add support for "Butterfly" Chromebook We're happy to announce coreboot support for the "Butterfly" Chromebook, a.k.a HP Pavilion Chromebook. More information at: http://www.google.com/intl/en/chrome/devices/hp-pavilion-chromebook.html This commit also includes support for the ENE KB3940Q embedded controller running on Quanta's firmware. Change-Id: I194f847a94005218ec04eeba091c3257ac459510 Signed-off-by: Stefan Reinauer Reviewed-on: http://review.coreboot.org/2359 Reviewed-by: Duncan Laurie Tested-by: build bot (Jenkins) --- src/ec/quanta/ene_kb3940q/ec.h | 213 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 213 insertions(+) create mode 100644 src/ec/quanta/ene_kb3940q/ec.h (limited to 'src/ec/quanta/ene_kb3940q/ec.h') diff --git a/src/ec/quanta/ene_kb3940q/ec.h b/src/ec/quanta/ene_kb3940q/ec.h new file mode 100644 index 0000000000..ab01b2914c --- /dev/null +++ b/src/ec/quanta/ene_kb3940q/ec.h @@ -0,0 +1,213 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 The Chromium OS Authors. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* + * EC communication interface for QUANTA EnE KB3940Q Embedded Controller. + */ + +#ifndef _EC_QUANTA_ENE_KB3940Q_EC_H +#define _EC_QUANTA_ENE_KB3940Q_EC_H + +#define EC_IO 0x380 /* Mainboard specific. Could be Kconfig option */ +#define EC_IO_HIGH EC_IO + 1 +#define EC_IO_LOW EC_IO + 2 +#define EC_IO_DATA EC_IO + 3 + + + +// 60h/64h Command Interface +#define KBD_DATA 0x60 +#define KBD_COMMAND 0x64 +#define KBD_STATUS 0x64 +#define KBD_IBF (1 << 1) // 1: input buffer full (data ready for ec) +#define KBD_OBF (1 << 0) // 1: output buffer full (data ready for host) + +// 62h/66h Command Interface +#define EC_DATA 0x62 +#define EC_COMMAND 0x66 +#define EC_SC 0x66 + +/* Wait 400ms for keyboard controller answers */ +#define KBC_TIMEOUT_IN_MS 400 + +u8 ec_kbc_read_ob(void); +void ec_kbc_write_cmd(u8 cmd); +void ec_kbc_write_ib(u8 data); +u8 ec_read_ob(void); +void ec_write_cmd(u8 cmd); +void ec_write_ib(u8 data); + +u8 ec_mem_read(u8 addr); +void ec_mem_write(u8 addr, u8 data); + +/***************************************************************************** + * EC Internal memory + */ + +#define EC_BAT_DCAP_LO 0x40 +#define EC_BAT_DCAP_HI 0x41 +#define EC_BAT_DVOLT_LO 0x42 +#define EC_BAT_DVOLT_HI 0x43 +#define EC_BAT_FULL_CAP_LO 0x44 +#define EC_BAT_FULL_CAP_HI 0x45 +#define EC_BAT_RATE_LO 0x46 +#define EC_BAT_RATE_HI 0x47 +#define EC_BAT_RMC_LO 0x48 +#define EC_BAT_RMC_HI 0x49 +#define EC_BAT_VOLT_LO 0x4A +#define EC_BAT_VOLT_HI 0x4B +#define EC_BAT_CHRG_CURT_LO 0x4C +#define EC_BAT_CHRG_CURT_HI 0x4D +#define EC_BAT_CHRG_VOLT_LO 0x4E +#define EC_BAT_CHRG_VOLT_HI 0x4F +#define EC_BAT_TEMP_LO 0x50 +#define EC_BAT_TEMP_HI 0x51 +#define EC_BAT_SN_LO 0x52 +#define EC_BAT_SN_HI 0x53 +#define EC_BAT_RSOC_LO 0x54 +#define EC_BAT_RSOC_HI 0x55 +#define EC_BAT_STATUS_LO 0x56 +#define EC_BAT_STATUS_HI 0x57 +#define EC_BAT_CYCLE_COUNT_LO 0x58 +#define EC_BAT_CYCLE_COUNT_HI 0x59 +#define EC_BAT_MFG_DATE_LO 0x5A +#define EC_BAT_MFG_DATE_HI 0x5B +#define EC_BAT_CHEMISTRY0 0x60 +#define EC_BAT_CHEMISTRY1 0x61 +#define EC_BAT_CHEMISTRY2 0x62 +#define EC_BAT_CHEMISTRY3 0x63 +#define EC_BAT_DEVICE_NAME0 0x64 +#define EC_BAT_DEVICE_NAME1 0x65 +#define EC_BAT_DEVICE_NAME2 0x66 +#define EC_BAT_DEVICE_NAME3 0x67 +#define EC_BAT_DEVICE_NAME4 0x68 +#define EC_BAT_DEVICE_NAME5 0x69 +#define EC_BAT_DEVICE_NAME6 0x6A + +#define EC_POWER_FLAG 0x70 +#define EC_PF_ADAPTER_IN (1 << 0) +#define EC_PF_ADAPTER_PIN (1 << 1) +#define EC_PF_BATT_IN (1 << 2) +#define EC_PF_BATT_DESTROY (1 << 3) +#define EC_PF_ACPI_MODE (1 << 4) +#define EC_PF_X86_BIOS (1 << 6) +#define EC_PF_COREBOOT 0 +#define EC_PF_PASSIVE_THERM (1 << 7) + +#define EC_CHARGER_STATUS 0x71 +#define EC_CHS_BAT_DISCHARGING (1 << 0) +#define EC_CHS_BAT_CHARGING (1 << 1) +#define EC_CHS_BAT_CRITICAL (1 << 2) + +#define EC_HW_GPI_STATUS 0x72 +#define EC_GPI_LID_STAT_BIT 0 +#define EC_GPI_RECOVERY_MODE_BIT 1 +#define EC_GPI_LID_OPEN (1 << EC_GPI_LID_STAT_BIT) +#define EC_GPI_RECOVERY_STATUS (1 << EC_GPI_RECOVERY_MODE_BIT) + +#define EC_GPIO_STATUS 0x73 +#define EC_GPIO_TP_LED_ENABLE (1 << 0) +#define EC_GPIO_TP_LED_STATUS (1 << 1) + +#define EC_CPU_TMP 0x78 +#define EC_GPU_TMP 0x79 +#define EC_LOCAL_TMP1 0x7A +#define EC_LOCAL_TMP2 0x7B +#define EC_FAN_TACH_LO 0x7C +#define EC_FAN_TACH_HI 0x7D +#define EC_FAN_DBG_RPM_LO 0x7E +#define EC_FAN_DBG_RPM_HI 0x7F + +#define EC_KBID_REG 0x80 +#define EC_KBD_EN 0 +#define EC_KBD_JP (1 << 1) +#define EC_CURR_PS 0x81 +#define EC_MAX_PS 0x82 + +#define EC_EC_PSW 0x83 +#define EC_PSW_IKB (1 << 0) +#define EC_PSW_TP (1 << 1) +#define EC_PSW_LAN (1 << 3) +#define EC_PSW_RTC (1 << 4) +#define EC_PSW_USB (1 << 5) + +#define EC_WAKE_EVEN_TID 0x84 +#define EC_WID_IKB (1 << 0) +#define EC_WID_TP (1 << 1) +#define EC_WID_LID (1 << 2) +#define EC_WID_PWRSW (1 << 7) + +#define EC_CODE_STATE 0x85 +#define EC_COS_INITIAL_STAGE 0xBB +#define EC_COS_EC_RO 0xC0 +#define EC_COS_EC_RW 0xC1 + +#define EC_FW_REASON_ID 0x86 +#define EC_FWR_NOT_RO 0x00 +#define EC_FWR_GPI_ASSERTED 0x01 +#define EC_FWR_HOTKEY_PRESSED 0x02 +#define EC_FWR_FIRMWARE_CORRUPT 0x03 + +#define EC_SHUTDOWN_REASON 0xB9 +#define EC_FW_VER0 0xBA +#define EC_FW_VER1 0xBB +#define EC_FW_VER2 0xBC +#define EC_FW_VER3 0xBD +#define EC_FW_VER4 0xBE +#define EC_FW_VER5 0xBF +#define EC_SMBPTCL 0xC0 +#define EC_SMBSTA 0xC1 +#define EC_SMBADDR 0xC2 +#define EC_SMBCMD 0xC3 +#define EC_SMBDATA 0xC4 +#define EC_SMBBCNT 0xE4 + +/***************************************************************************** + * SMI / SCI event status + */ +#define Q_EVENT_LID_STATUS 0x06 +#define Q_EVENT_WIFI_BUTTON 0x06 +#define Q_EVENT_THERM_EVENT 0x08 +#define Q_EVENT_PSTATE_DOWN 0x0E +#define Q_EVENT_PSTATE_UP 0x0F +#define Q_EVENT_AC_PLUGGED 0x10 +#define Q_EVENT_AC_UNPLUGGED 0x11 +#define Q_EVENT_BATTERY_PLUGGED 0x12 +#define Q_EVENT_BATTERY_UNPLUGGED 0x13 +#define Q_EVENT_BATTERY_STATUS 0x14 + +/***************************************************************************** + * EC Commands + */ +#define EC_CMD_ENABLE_ACPI_MODE 0x71 +#define EC_CMD_DISABLE_ACPI_MODE 0x72 +#define EC_CMD_DISABLE_SMBUS_EVENT 0x73 +#define EC_CMD_ENABLE_SMBUS_EVENT 0x74 +#define EC_CMD_SYSTEM_RESET 0x78 +#define EC_CMD_SYSTEM_SHUTDOWN 0x79 +#define EC_CMD_RESET_FOR_FW_UPDATE 0x7D +#define EC_CMD_IDLE_FOR SPI_UPDATE 0x7E +#define EC_CMD_READ_RAM 0x80 +#define EC_CMD_WRITE_RAM 0x81 +#define EC_CMD_BURST_ENABLE 0x82 +#define EC_CMD_BURST_DISABLE 0x83 +#define EC_CMD_QUERY_EVENT 0x84 + + +#endif /* _EC_QUANTA_ENE_KB3940Q_EC_H */ -- cgit v1.2.3